<?xml version="1.0" encoding="utf-8"?>
<xsd:schema xmlns:wo="http://qwwebservices.usgs.gov/schemas/WQX-Outbound/2_0/" attributeFormDefault="unqualified" elementFormDefault="qualified" targetNamespace="http://qwwebservices.usgs.gov/schemas/WQX-Outbound/2_0/" version="1.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema">
  <xsd:include schemaLocation="WQX_SimpleContent_v2.0.xsd" />
  <xsd:include schemaLocation="WQX_BibliographicReference_v2.0.xsd" />
  <xsd:annotation>
    <xsd:documentation>
        Schema Name  : WQX_ActivityMetricType_v2.0.xsd
        Description   : This section allows for the reporting of metrics to support habitat or biotic integrity indices.	
        Developed by  : EPA Office of Water	 
        Point of Contact :   Dwane Young (EPA) or GS-W-QWWebServicesHelp@usgs.gov
</xsd:documentation>
  </xsd:annotation>
  <xsd:complexType name="ActivityMetricTypeDataType">
    <xsd:sequence>
      <xsd:element ref="wo:MetricTypeIdentifier" />
      <xsd:element ref="wo:MetricTypeIdentifierContext" />
      <xsd:element minOccurs="0" ref="wo:MetricTypeName" />
      <xsd:element minOccurs="0" ref="wo:MetricTypeCitation" />
      <xsd:element minOccurs="0" ref="wo:MetricTypeScaleText" />
      <xsd:element minOccurs="0" ref="wo:FormulaDescriptionText" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:element name="MetricTypeCitation" type="wo:BibliographicReferenceDataType">
    <xsd:annotation>
      <xsd:documentation>Provides additional description of the source that created or defined the metric.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
  <xsd:element name="ActivityMetricType" type="wo:ActivityMetricTypeDataType">
    <xsd:annotation>
      <xsd:documentation>This section identifies the metric type reported as part of an activity metric.</xsd:documentation>
    </xsd:annotation>
  </xsd:element>
</xsd:schema>